Tiflighak Bay Occurrence, Bering Sea Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Tiflighak Bay Occurrence | Occurrence |
| Bering Sea Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 45' 36'' North , 171° 39' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Gambell | 701 (2017) | 4.7km |
Location: Tiflighak Bay is a small concave shoreline on the east side of the northwest tip of St.Lawrence Island. This is an area of steep sea cliffs cut into intrusive rocks of the Sevuokuk pluton. This location is only known from an oral communication (Cobb, 1980, p. 60). Small galena-bearing quartz veins are said to be exposed near the top of the cliff. This site is probably located within 0.5 mile. It is locality 1 of Cobb (1972) and Cobb (1980) summarized relevant references under the name 'Tiflighak Bay'.
Geology: Galena in small quartz veins in Cretaceous quartz monzonite exposed near top of cliff (oral communication, Bela Csejtey, Jr. May 24, 1972; as cited by Cobb, 1972; 1980). The Sevuokuk pluton in the vicinity of this site is biotite quartz monzonite (Csejtey, Patton and Miller, 1971) for which one K/Ar determination indicates an age of 108 +/- 3.2 Ma (Patton and Csejtey, 1980).
Workings: None
Age: Not known; assumed to be mid -Cretaceous, the age of the associated granitic rocks.
Commodities (Major) - Pb
Development Status: None
Deposit Model: Vein in granitic rock. Deposit model 22c (?); polymetallic veins
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
2 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | SL001 |
|---|
Other Regions, Features and Areas containing this locality
Eurasian Plate
- Verkhoyansk Kolyma
- Taigonos ArcVolcanic Arc
North America PlateTectonic Plate
Pacific Ocean
- Bering SeaSea
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